.clearfix::before,
.clearfix::after {
    content: '';
    display: table;
}

.clearfix::after {
    content: '';
    clear: both;
}

.wrapper {
    margin: 0 auto;
}

li {
    list-style: none;
}

body {
    background-color: #f3f5f7;
}

* {
    margin: 0;
    padding: 0;
    box-sizing: border-box;
}

.header {
    margin: 30px auto;
    width: 1200px;
    height: 42px;
    /* background: pink; */
}

.header .left {
    float: left;
    width: 195px;
    height: 42px;
}

.rav {
    margin-left: 70px;
    float: left;
    height: 42px;
}

a {
    text-decoration: none;
}

.rav ul li a {
    /* border-bottom: 2px solid #f3f5f7; */
    /* padding-top: 12px; */
    /* padding-bottom: 12px; */
    line-height: 42px;
    padding-right: 9px;
    padding-left: 9px;
    height: 42px;
    font-size: 18px;
    color: #050505;
    /* background-color: pink; */
}

.rav li {
    float: left;
    margin-right: 26px;
    height: 42px;
    /* background-color: pink; */
}

.rav li:hover {
    border-bottom: 2px solid #00a4ff;
}

/* 搜索框 */
.search {
    float: left;
    margin-left: 59px;
    width: 412px;
    height: 40px;
    border: 1px solid #00a4ff;
}

.search input {
    float: left;
    width: 362px;
    height: 38px;
    border: 0;
    padding-left: 20px;
}

.search input::placeholder {

    font-size: 14px;
    color: #bfbfbf;
}

.search button {
    float: left;
    height: 40px;
    width: 48px;
    background-image: url(../images/btn.png);
    border: 0;
}

.user {
    float: right;
    margin-right: 35px;
}

.user img {
    vertical-align: middle;
}

.banner {
    height: 420px;
    background-color: #1c036c;
}

.banner .wrapper {
    height: 420px;
    width: 1200px;
    background-image: url(../images/banner2.png);

}

.banner .left {
    float: left;
    height: 420px;
    width: 190px;
    background-color: rgba(0, 0, 0, 0.3);
}

.banner .right {
    float: right;
    margin-top: 50px;
    width: 231px;
    height: 300px;
    background-color: #fff;
}

.banner .left {
    padding-left: 20px;
    padding-top: 28px;
    padding-bottom: 28px;
    line-height: 40px;
}

.banner .left a {
    color: #fff;
}

.banner .left a:hover {
    color: #00b4ff;
}

.banner .left span {
    float: right;
}

.banner .right h1 {

    height: 48px;
    background-color: #6bceea;
}

.banner .right h1 {
    text-align: center;
    color: #fff;
}

.banner .right .content {
    padding: 0 18px;
}

.banner .right dl {
    padding: 12px 0px;
    border-bottom: 2px solid #e5e5e5;
}

.banner .right .content dt {
    font-size: 16px;
    color: #4e4e4e;
}

.banner .right .content dd {
    font-size: 12px;
    color: #a5a5a5;
}

.banner .right .more {
    display: block;
    height: 41px;
    width: 200px;
    border: 1px solid #00a4ff;
    margin: 4px auto 11px;
    text-align: center;
    line-height: 41px;
    font-size: 16px;
    font-weight: bold;
    color: #00a4ff;
}

.good {
    margin-top: 8px;
    padding-top: 21px;
    padding-bottom: 21px;
    padding-left: 34px;
    padding-right: 26px;
    width: 1200px;
    height: 60px;
    background-color: #fff;
    box-shadow: 0px 2px 3px 0px rgba(118, 118, 118, 0.2);
}

.good h2 {
    font-size: 16px;
    float: left;
    color: #00a4ff;
}

.good li {
    float: left;
    margin-left: 32px;
}

.good ul a {
    border-left: 1px solid #bfbfbf;
    padding-left: 33px;
    color: #050505;
}

.good .xingqu {
    float: right;
    font-size: 14px;
    color: #00a4ff;
}

.box {
    width: 1204px;
}

.box .title {
    margin-top: 35px;
    height: 40px;
    width: 1204px;
    /* background-color: pink; */
}

.box .title .left {
    float: left;
    font-size: 20px;
    color: #494949;
}

.box .title .right {
    float: right;
    margin-right: 35px;
    margin-top: 6px;
    font-size: 12px;
    color: #a5a5a5;
}

.box .content {
    width: 1204px;
}

.box .content li {
    position: relative;
    float: left;
    margin-right: 15px;
    margin-bottom: 14px;
    height: 270px;
    width: 228px;
    background-color: #fff;
}

.box .content li:nth-child(5n) {
    margin-right: 0;
}

.box .content li em {
    position: absolute;
    right: -1px;
}

.box .content li h2 {
    padding: 13px;
    font-size: 14px;
    font-weight: 400;
    color: #050505;
}

.box .content li p {
    padding: 0 20px;
    font-size: 12px;
    color: #999999;
}

.box .content li span {
    color: #ff7c2d;
}

.foot {
    margin-top: 12px;
    height: 417px;
    background-color: #ffffff;
}

.foot .left {
    float: left;
}

.foot .right {
    float: right;
}

.foot .left img {
    margin-top: 33px;
}

.foot .left p {
    margin-top: 25px;
    font-size: 12px;
    line-height: 18px;
    color: #666;
}

.foot .left a {
    margin-top: 15px;
    height: 36px;
    width: 120px;
    display: inline-block;
    border: 1px solid #00a4ff;
    text-align: center;
    line-height: 36px;
    color: #00a4ff;
}

.foot .right dl {
    margin-top: 30px;
    margin-right: 123px;
    float: left;
}

.foot .right dt {
    margin-bottom: 14px;
}

.foot .right dt {
    font-size: 16px;
    line-height: 21px;
    color: #333333;
}

.foot .right dl a {
    font-size: 12px;
    line-height: 21px;
    color: #333333;
}